Security :: Get Domain Username Without Authentication Prompt?
Jul 29, 2010
I have an asp.net c# site that I have setup in IIS 7 and am loading into a sharepoint frame. Sharepoint doesn't prompt for domain credentials but my site does?In IIS I have enabled basic and windows authentication so I can get the domain users username, so if there is a way to get this without prompting that'd be a perfect solution for me.I am using the follwing statement to get username:
System.Web.
HttpContext.Current.User.Identity.Name
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Oct 6, 2010
I'm bangin' my head against the wall here. I'm not even sure what I want to do is possible.
I have developed an ASP.NET app that will only be run on my local network (which incorporates a Windows Domain). It's running on IIS 7.5.I want to do this:
[Code]....
My problem is this: If I don't turn off Anonymous Authentication and ASP.NET Impersonation, I don't get the results I'm looking for. (if Anonymous is allowed, I get an empty string returned for username, and if ASP.NET impersonation is allowed, then "username" is always whatever account is associated with impersonation, like "Network Service"). If I turn those off and then turn Windows Authentication on, it works, but only after a dialog box presents itself asking for the Windows Credentials.
What I'm trying to do is NOT require the users to log in. Since they've already logged into the domain when they signed on their computer, I'd like to just allow them access to the ASP.NET application I've written, and identify who they are (based on their previous Windows login) using the line of code above. I don't need them to re-authenticate, because they're already authenticated from their domain login.I can't figure out what I'm doing wrong, or how to accomplish this. It seems the closest I've gotten to what I want so far, is to turn off all authentication EXCEPT for Windows Authentication. It works then, but only if the user first types in his/her username and password again in a dialog box. Is there any way to avoid having them type in their username and password again, but still be able to identify their domain username?
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Mar 4, 2011
I have an asp.net application which was working fine with the AppPool Identity set to Netwrok Service or Local System or Local Service. But If I change the app pool identity to a domain account (I am using my account itself) I am unable to access the application from any other machine except the web server.I am using Windows Integrated Authentication.I tried resetting IIS, Restart W3SVC, aspnet_regiis -ga . But no luck.
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Nov 10, 2010
I am using forms authentication. It's works fine locally. Once I upload my web application to a remote iis server and run it I get a Windows authentication prompt. The server [URL] at [URL] requires a username and password.
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Jan 19, 2011
My intranet web application uses Forms Authentication. How do i get the Active directory domain nameusername of the logged in user. The IIS directory security settings for the app are:
Anonymous User Access : Ticked
Integrated Windows Authentication : Ticked
I tried using the following but to no avail
System.Security.Principal.WindowsIdentity.GetCurrent().Name ----> returns NT AUTHORITYNETWORK SERVICE
Request.LogonUserIdentity.Name -----> returns The username used for anonymous access
ineed to pass this information to an external application for the current user to gain access to the system. Can i untick Anonymous user access in IIS and continue using forms authentication? what are the other options.
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Jul 8, 2010
We have developed a website in asp.net using windows authentication and deployed it on the intranet (IIS v6.0). Most of the times, when users try to access this website they are taken straight to the website, but occasionally some users get a prompt to enter their windows username and password. I understand that this could be caused because of several reasons like:
Cached active directory password. Recently active directory password changed. Active directory account locked out. I want to fix this issue for good because it is annoying the users.
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Mar 1, 2010
I have an Intranet web site that uses Windows Authentication and when a users password expires the do not get a prompt letting them reset it. We also have OWA and if they go there to check mail, it sends them to a page which allows them to reset it there. How can I trap for expired passwords and allow them to change it like they can with OWA?
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Aug 26, 2010
I've got a literal control to display the username of the user logged into our companies intranet system, originally I had a LoginName control but couldn't get strip to remove the domain from the username (as the format is domainnameusername) so I'm trying it this way.
[Code]....
protected void Page_Load(object sender, System.EventArgs e)
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Feb 21, 2011
I had implemented the Forms Authentication for my application and used in-built login control for validating user credentials. I am creating persistant cookie using FormsAuthenticationTicket when the user checks 'Remeber Me' checkbox in login page.
Next time when I browse my application, it directly goes to resource access pages without redirecting to login page. This is the common approach in Forms Authentication with persistant cookie.
My requirement is, Is it possible to get username only in login page when using persistant cookie with Forms Authentication without redirecting into resource pages?
The same can achieve using cookies without using forms authentication. I need get the username automatically in login page using Form Authentication.
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Feb 5, 2010
Once the user has authenticated, I would like to base all of the information displayed to the user based on their username. Isn't that saved in the cookie?
For instance, I would like to pull all of their client information using a GridView and have the parameter set to the appropriate authentication information.
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Jun 18, 2010
I have two different web sites in Intranet zone. They are placed in one domain (like http://site1 and http://site2.site1). They use Windows Authentication for common domain (like mycorpUser1, mycorpUser2, mycorpUser3).First web site(http://site1) have iframe element with hyperlink to second web site(http://site2.site1). When user loads first web site he needs write login and password twice. How to make that http://site1 and http://site2.site1 ask authentication only once?
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Feb 19, 2010
I have a case where i have two asp.net applications, one is hosted on example.com/App1 and the other on /App2.
both applications are password protected using Windows authentication.
App1/default.aspx has a <img src="/App2/somefile.aspx">
Now what happens when i open App1 is that i get the credentials prompt, but because App2 is also protected, the HTTP GET for the img requires me to authenticate, in other words i get two prompts.
Is it possible to do something so that the authentication is for example.com so that both App1 and App2 consider the user authenticated?
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Aug 16, 2010
Im returning the username from sharepoint site as a string. This is done successfully with the below code but I also get the domain with it. How can I only return the username and not the domain either through sharepoint or programmatically removing it? domain/username
[Code]....
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Dec 6, 2010
is it possible to preserve authentication for ASP.NET Forms authentication cookie,btween Http and Https (different domains) and back?I mean haveing single signon for two domains say http://www.mydomain.com and https://members.mydomain.comI've seen on quite asp.net sites that have a 'MyAccount' section they transfer the site to https and then when you have logged into your account successfully and gone back to the majority of the site you move back to http whilst still being logged in.
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Nov 8, 2010
We are upgrading the asp.net 2.0 web application to asp.net 4.0. The application contain three main modules (sub application) like End User, Franchise and Admin with separate web.config, asp.net form Authentication, login page and running with single domain. the URL like,mydomain.com/login.aspxmydomain.com/franchise/login.aspxmydomain.com/admin/login.aspx In asp.net 2.0, working fine with 3 sub applications with separate form authentication under a single domain name and also we can working with all threes in same time. After the up gradation process (ASP.NET 2.0 to 4.0),We didn't run all three applications in same times and also form authentication crossed.
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Jan 3, 2011
In the web.config, how do add a connection string by using a window authentication with the username and password? I have tried like this and it keeps ignoring the username and password
<connectionStrings>
<clear/>
<remove name="LocalSqlServer"/>
<add name="LocalSqlServer" connectionString="Integrated Security=SSPI;Initial Catalog=ufiledb;Data Source=MyServer;User Id=user1;Password=xxxxxx" providerName="System.Data.SqlClient"/>
</connectionStrings>
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Oct 12, 2010
I have an interweb web application that uses Active Directory to authenticate the user. Im now getting some complaints that users on other domains are unable to access the application.
How can i make it work so that their domain name is also accepted by the application?
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Sep 16, 2010
Foe getting Logon computer username i m using digest authntication mode. But when i browse website it's asking for username and password. while already windows login with the same username.
I understood that in this auhtntication mode it's required. But r there any configuration with it i am not getting this Prompt ? Any group ploicy ??
For IE i have added website into trusted zone but still it's asking for username and password.
R there any other way i getting Computer logon name in asp.net application. There are But only work when i run from Editor from IIS it's not retuning value.
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Jan 24, 2011
One our customer complaint about HYH virus storing form authentication user credentials in clear text in his local system. Customer is accessing website through internet explorer. Is any preventing measure we can take in website or Code level?More details on Website1) Hosted in IIS 6.02) Windows Server 2003 Operating System ) Written in ASP & ASP.net combination
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Jan 25, 2010
Ok, I almost hate to ask this because I'm sure it's been covered many times on this forum, but I'm starting to get too frustrated trying to get it to work, so I'm gonna ask anyway.I have setup forms authentication on my site and have it working without any issues. What I'm trying to do now is to add "Remember Me" functionality so that the users don't have to log in each time they access the site. I'm able to get the authentication part down, but the issue I'm having is that when the user logs in, I set certain attributes in Session variables for that user (name, site role, etc.). These values are obtained from a database after the user has been authenticated, based on the username. What I'm having problems with is getting at this username from the FormsAuthentication cookie.
After I authenticate the first time, I setup my cookie this way:
[Code]....
I have tried getting at the Username utilizing the User prinicipal, but it just returns blank.
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Nov 18, 2010
We have a link in our site that pin points to sharepoint documents and we are retreiving some documents files (*.doc). Our sharepoint uses IWA (integrated windows authentication) which is prompted if we're trying to access that documents, unfortunately we don't want to prompt that window to authenticate the user. We need is to create a username and password and authenticate it. how can we do that.
Note* we have 2 server one for our application and the other one is for sharepoint.
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Sep 28, 2010
My feeling says it's not posible but anyway I am curious if there is at least a workaround for accomplish this.Basically I am working at my client site and my machine is not connected to the domain.What I want to do is running a web application locally under a domain account, and using the webdev server.The webapp uses the default authentication, windows authentication that is.I tried using impersonation with domainuser & password but I got the following error Could not create Windows user token from the credentials specified in the config file. Error from the operating system 'Logon failure: unknown user name or bad password.I have to mention that the username and the password are correct.
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Nov 2, 2010
I have an intranet that gets the current logged in user through active directory. When a user is locked out they get a windows prompt to enter their username and password. Is there a way for me to catch this and redirect them to a page where they are asked to enter their credentials again or tell them that their account might be locked out and to contact the help desk?
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Jan 14, 2011
I have set up a copy of a website on a server and think I Have replicated the folder permissions and the IIS settings, but I am getting a windows authentication prompt, once i login with my admin details the site loads.
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Sep 3, 2010
I am developing one intranet website. Being an intranet application, one of the requirement is to have a single sign on feature.
It means that the windows PC username (i.e the "ctrl + alt + delete" username) is going to be the username for the system.
How do i fetch that username?
I tried the following two ways which are working in debug mode but not on live site.
System.Security.Principal.IPrincipal user = System.Web.HttpContext.Current.User;
Response.Write(user.Identity.Name);
&
Response.Write(Request.ServerVariables["AUTH_USER"].ToString());
Both the above method works when i run the page from visual studio.
However when i run the page from IIS or any other server, it gives me a blank value
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